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GLSA-202101-04 : Mozilla Firefox: Remote code execution

high Nessus Plugin ID 144832

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-202101-04 (Mozilla Firefox: Remote code execution)

 A use-after-free bug was discovered in Mozilla Firefox’s handling of SCTP.
 Impact :

 A remote attacker could possibly execute arbitrary code with the privileges of the process, or cause a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All Firefox ESR users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=www-client/firefox-78.6.1:0/esr78' All Firefox ESR binary users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=www-client/firefox-bin-78.6.1:0/esr78' All Firefox users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=www-client/firefox-84.0.2' All Firefox binary users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=www-client/firefox-bin-84.0.2'

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2021-01/

https://security.gentoo.org/glsa/202101-04

Plugin Details

Severity: High

ID: 144832

File Name: gentoo_GLSA-202101-04.nasl

Version: 1.7

Type: local

Published: 1/11/2021

Updated: 1/30/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2020-16044

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:firefox, p-cpe:/a:gentoo:linux:firefox-bin, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 1/10/2021

Vulnerability Publication Date: 2/9/2021

Reference Information

CVE: CVE-2020-16044

GLSA: 202101-04

IAVA: 2021-A-0005-S